1349706447 has 12 divisors (see below), whose sum is σ = 2034340464. Its totient is φ = 860682240.

The previous prime is 1349706419. The next prime is 1349706451. The reversal of 1349706447 is 7446079431.

1349706447 is a `hidden beast` number, since 134 + 9 + 70 + 6 + 447 = 666.

It is not a de Polignac number, because 1349706447 - 2¹² = 1349702351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1349706497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3259954 + ... + 3260367.

It is an arithmetic number, because the mean of its divisors is an integer number (169528372).

Almost surely, 2^1349706447 is an apocalyptic number.

1349706447 is a deficient number, since it is larger than the sum of its proper divisors (684634017).

1349706447 is a wasteful number, since it uses less digits than its factorization.

1349706447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6520350 (or 6520347 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 1349706447 is about 36738.3511742158. The cubic root of 1349706447 is about 1105.1293357481.

The spelling of 1349706447 in words is "one billion, three hundred forty-nine million, seven hundred six thousand, four hundred forty-seven".